Cockroach () of cockroach of N of á of F ě I Li, cockroach is a kind of a general designation only, current, the cockroach that the whole world discovers is amounted to 4000 a variety of, this plaything is too strong really, all the time somebody thinks they just are the earth the strongest species, dozen amaranthine is small strong come out almost everyday bewitching, botch food is pestiferous, the person that has sufferred they make a surprise attack is detest to them, but some people become them however baby. The handling center of eat hutch rubbish that is grave of chapter of city of Shandong province Jinan then, current, have here probably 1.1 billion cockroach are handling hutch beyond rubbish, to this kind of practice, netizens are vexed, somebody approve of: Use biology character to change processing without social effects of pollution rubbish is very correct very environmental protection. Somebody objects: Once cockroach measure passes much out of control, to the destruction of around environment will be annihilative. The gain that cockroach handles hutch beyond rubbish is apparent, if just rely on pure natural degradation, time cycle is very long, degree is being destroyed to the environment if piling up in great quantities also is to not allow small gaze, if use cockroach, can shorten substantially time, and the cockroach that uses hutch beyond rubbish to breed is OK still and dry smash become fodder. To the control strength to cockroach, think of early actually. Li Yanrong shows the controller of this rubbish handling center, the step that they take now has 3 kinds, built 3 defense line namely, can control cockroach effectively. The first line of defence uses rod of reinforcing steel bar to coagulate namely the airtight vacuum that earth creates, quite solid quite thick, be can aseismatic structure, burrow that is basic it is impossible. The 2nd line of defence is personnel passageway is prevented escape with shade of 360 degrees of water, it is at present of all kinds orgnaization prevents biology to escape used main means, the effect is preeminent. Last line of defence is to be all round plant area the pisciculture that dig trench, even if now and then run out a few, also was eaten off, lift do not have what storm. Current, they had been raised probably 1.1 billion, the amount of cockroach still is not increasing, the ability that handles rubbish also is increasing ceaselessly, of course, also cockroach of won't complete indulge is progenitive, cockroach amount is in all the time can accuse limits in, the means with control cockroach the most significant amount carbonadoes powder breaks namely the feed that make, pass each to the branch discusses and be proved at present, this kind of means wants monitoring to reach the designated position only, it is very effective and the rubbish of environmental protection handles way.